BTR Brian Tooley Racing Piston Ring Compressor Tool | 4.075" Bore | Fits LS Engines 4.070 4.075 Bore | Precision Install Tool for LS Engine Builds

Install pistons quickly and safely with the Brian Tooley Racing BTR 4.075 Bore Piston Ring Compressor Tool, designed specifically for LS engine builds. This precision tool is engineered to compress piston rings evenly, allowing smooth installation into the cylinder bore without damaging rings or cylinder walls. Built for 4.070"–4.075" bore LS engines, this compressor is ideal for performance builds, engine rebuilds, and stroker setups where accuracy and efficiency are critical. Its rigid, tapered design ensures proper ring alignment and consistent compression, reducing the risk of ring snagging or improper installation. Whether you're assembling a high-performance LS engine or completing a standard rebuild, this tool helps deliver professional results while saving time and preventing costly mistakes.

• Designed for 4.070"–4.075" Bore LS Engines: Specifically engineered for LS engine builds with 4.070" to 4.075" cylinder bores, ensuring precise fitment and proper ring compression during piston installation.
• Tapered Precision Design for Easy Installation: Features a smooth tapered design that compresses piston rings evenly, allowing pistons to slide into the bore cleanly without catching or damaging components.
• Prevents Ring Damage and Installation Errors: Helps eliminate common issues like broken rings or misalignment during installation, protecting your engine investment and ensuring proper assembly.
• Ideal for Engine Builds and Rebuilds: Perfect for LS engine builders, performance shops, and DIY enthusiasts working on stroker builds, rebuilds, or fresh engine assemblies.
• Brian Tooley Racing Quality: Designed by BTR, a trusted name in LS performance, delivering reliable tools built for precision engine assembly and long-term use.